# Relationship history for MSHA mine 4801818

Current hierarchy: **Edward  Connell; Kelly C  Connell → High Country Construction, Inc. → Riprap Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Edward  Connell et al → Riprap Plant; 2004-06-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** High Country Construction, Inc. → Riprap Plant; 2018-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward  Connell et al → High Country Construction, Inc.; 2018-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kelly C  Connell et al → High Country Construction, Inc.; 2018-08-27 to current/open; source msha-controller-operator-history